update the package markdown table; update the issue templates (#197)

diff --git a/.github/ISSUE_TEMPLATE/ffigen.md b/.github/ISSUE_TEMPLATE/ffigen.md
new file mode 100644
index 0000000..d3e7a65
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/ffigen.md

@@ -0,0 +1,5 @@
+---
+name: "package:ffigen"
+about: "Create a bug or file a feature request against package:ffigen."
+labels: "package:ffigen"
+---

diff --git a/.github/ISSUE_TEMPLATE/native_assets_builder.md b/.github/ISSUE_TEMPLATE/native_assets_builder.md
index cc51ab0..5a2b90a 100644
--- a/.github/ISSUE_TEMPLATE/native_assets_builder.md
+++ b/.github/ISSUE_TEMPLATE/native_assets_builder.md

@@ -2,4 +2,4 @@
 name: "package:native_assets_builder"
 about: "Create a bug or file a feature request against package:native_assets_builder."
 labels: "package:native_assets_builder"
----
\ No newline at end of file
+---

diff --git a/.github/ISSUE_TEMPLATE/native_assets_cli.md b/.github/ISSUE_TEMPLATE/native_assets_cli.md
index d6a22a8..568e6c1 100644
--- a/.github/ISSUE_TEMPLATE/native_assets_cli.md
+++ b/.github/ISSUE_TEMPLATE/native_assets_cli.md

@@ -2,4 +2,4 @@
 name: "package:native_assets_cli"
 about: "Create a bug or file a feature request against package:native_assets_cli."
 labels: "package:native_assets_cli"
----
\ No newline at end of file
+---

diff --git a/.github/ISSUE_TEMPLATE/native_toolchain_c.md b/.github/ISSUE_TEMPLATE/native_toolchain_c.md
index 161bec6..8a19346 100644
--- a/.github/ISSUE_TEMPLATE/native_toolchain_c.md
+++ b/.github/ISSUE_TEMPLATE/native_toolchain_c.md

@@ -2,4 +2,4 @@
 name: "package:native_toolchain_c"
 about: "Create a bug or file a feature request against package:native_toolchain_c."
 labels: "package:native_toolchain_c"
----
\ No newline at end of file
+---

diff --git a/.github/labeler.yml b/.github/labeler.yml
index ca96162..25aaad6 100644
--- a/.github/labeler.yml
+++ b/.github/labeler.yml

@@ -1,13 +1,16 @@
-# This configures the .github/workflows/pull_request_label.yml workflow.
+# Configuration for .github/workflows/pull_request_label.yml.
 
 'type-infra':
-  - .github/**
+  - '.github/**'
+
+'package:ffigen':
+  - 'pkgs/ffigen/**'
 
 'package:native_assets_builder':
-  - pkgs/native_assets_builder/**/*
+  - 'pkgs/native_assets_builder/**'
 
 'package:native_assets_cli':
-  - pkgs/native_assets_cli/**/*
+  - 'pkgs/native_assets_cli/**'
 
 'package:native_toolchain_c':
-  - pkgs/native_toolchain_c/**/*
+  - 'pkgs/native_toolchain_c/**'

diff --git a/README.md b/README.md
index ed09c1d..cab9898 100644
--- a/README.md
+++ b/README.md

@@ -7,11 +7,12 @@
 
 ## Packages
 
-| Package                                      | Description                                                                                 | Version |
-| -------------------------------------------- | ------------------------------------------------------------------------------------------- | ------- |
-| [native_assets_builder](pkgs/native_assets_builder/) | A library that contains the logic for building native assets. This should not be used by users, and is used as shared implementation between dartdev and flutter_tools. | [![pub package](https://img.shields.io/pub/v/native_assets_builder.svg)](https://pub.dev/packages/native_assets_builder)         |
-| [native_assets_cli](pkgs/native_assets_cli/) | A library that contains the argument and file formats for implementing a native assets CLI. | [![pub package](https://img.shields.io/pub/v/native_assets_cli.svg)](https://pub.dev/packages/native_assets_cli)        |
-| [native_toolchain_c](pkgs/native_toolchain_c/)               | A library to invoke the native C compiler installed on the host machine.                    | [![pub package](https://img.shields.io/pub/v/native_toolchain_c.svg)](https://pub.dev/packages/native_toolchain_c) |
+| Package | Description | Version |
+| --- | --- | --- |
+| [ffigen](pkgs/ffigen/) | Generator for FFI bindings, using LibClang to parse C, Objective-C, and Swift files. | [![pub package](https://img.shields.io/pub/v/ffigen.svg)](https://pub.dev/packages/ffigen) |
+| [native_assets_builder](pkgs/native_assets_builder/) | This package is the backend that invokes top-level `build.dart` scripts. | [![pub package](https://img.shields.io/pub/v/native_assets_builder.svg)](https://pub.dev/packages/native_assets_builder) |
+| [native_assets_cli](pkgs/native_assets_cli/) | A library that contains the argument and file formats for implementing a native assets CLI. | [![pub package](https://img.shields.io/pub/v/native_assets_cli.svg)](https://pub.dev/packages/native_assets_cli) |
+| [native_toolchain_c](pkgs/native_toolchain_c/) | A library to invoke the native C compiler installed on the host machine. | [![pub package](https://img.shields.io/pub/v/native_toolchain_c.svg)](https://pub.dev/packages/native_toolchain_c) |
 
 ## Publishing automation