feat: Add upstream struct utility functions

- feat: Add `TagAll`, `AddFieldTags` and `AddTypeWithName` to work with upstream golang structs
- feat: Add `WithReadOnlyFields` to generate JSII compatible TS Interfaces
- chore: Does not require global `typescript` install for testing (using `package.json` and `npx`)
- chore: Bump to golang 1.21

.github/workflows/go.yml

@@ -1,41 +1,44 @@
-name: Go
-
-on:
-  push:
-    branches: '*'
-  pull_request:
-    branches: 'master'
-
-jobs:
-  build:
-    strategy:
-      fail-fast: false
-      matrix:
-        go-version: [1.16.x]
-        os: [ubuntu-latest, macos-latest, windows-latest]
-    name: Build and test
-    runs-on: ${{ matrix.os }}
-    steps:
-
-    - name: Set up Go 1.x
-      uses: actions/setup-go@v2
-      with:
-        go-version: ${{ matrix.go-version }}
-      id: go
-
-    - name: Check out code into the Go module directory
-      uses: actions/checkout@v2
-
-    - name: Get dependencies
-      run: |
-        go mod download
-
-    - name: Build
-      run: |
-        cd tscriptify
-        go build -v .
-
-    - name: Test
-      run: |
-        cd typescriptify
-        go test -v .
+name: Go
+
+on:
+  push:
+    branches: "*"
+  pull_request:
+    branches: "main"
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        go-version: [1.21.x]
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    name: Build and test
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Set up Go 1.x
+        uses: actions/setup-go@v2
+        with:
+          go-version: ${{ matrix.go-version }}
+        id: go
+
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v2
+
+      - name: Get dependencies
+        run: |
+          go mod download
+
+      - name: Ensure Typescript is available
+        run: |
+          npm install -g typescript
+
+      - name: Build
+        run: |
+          cd tscriptify
+          go build -v .
+
+      - name: Test
+        run: |
+          cd typescriptify
+          go test -v .

.gitignore

@@ -1,5 +1,6 @@
-.idea/
-.vscode/
-*.iml
-tags
-tmp_*
+.idea/
+.vscode/
+*.iml
+tags
+tmp_*
+node_modules