feat: initial setup of github action and semantic release

action.yml

@@ -0,0 +1,53 @@
+name: 'Setup Weld CLI'
+description: 'Downloads a specific version of the weld CLI from a GitHub release, makes it executable, and adds it to the PATH.'
+
+inputs:
+  weld-version:
+    description: 'The version of weld to install (e.g., v0.2.0). Defaults to the latest release.'
+    required: false
+    default: 'latest' # Use 'latest' as a special keyword
+  repo:
+    description: 'The repository where the weld CLI is released, in owner/repo format.'
+    required: false
+    default: Xenox-Incorporated-Industries/weld
+  github-token:
+    description: 'GitHub token for downloading from a private repository. The default token is usually sufficient within the same organization.'
+    required: false
+        default: ${{ github.token }}
+    
+    branding:
+      icon: 'anchor'
+      color: 'blue'
+      
+    runs:
+      using: "composite"
+      steps:
+        - name: Get Version Tag for Download
+      id: get_version
+      shell: bash
+      run: |
+        VERSION_TAG=""
+        if [[ "${{ inputs.weld-version }}" != "latest" ]]; then
+          VERSION_TAG="${{ inputs.weld-version }}"
+        fi
+        echo "tag=${VERSION_TAG}" >> $GITHUB_OUTPUT
+
+    - name: Download Weld CLI
+      shell: bash
+      env:
+        GH_TOKEN: ${{ inputs.github-token }}
+      run: |
+        echo "Downloading weld version '${{ inputs.weld-version }}' from repo '${{ inputs.repo }}'..."
+        gh release download ${{ steps.get_version.outputs.tag }} \
+          --repo ${{ inputs.repo }} \
+          --pattern 'weld-binary-*' \
+          --output ./weld
+        echo "Download complete."
+
+    - name: Make Weld CLI executable
+      shell: bash
+      run: chmod +x ./weld
+
+    - name: Add Weld CLI to PATH
+      shell: bash
+      run: echo "$(pwd)" >> $GITHUB_PATH