Add GitHub Action to build proposal and thesis

.github/workflows/build.yml

@@ -0,0 +1,49 @@
+name: Build Proposal and Thesis
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Install LaTeX
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y texlive-latex-base texlive-fonts-recommended texlive-fonts-extra texlive-latex-extra texlive-bibtex-extra latexmk
+
+    - name: Build Thesis
+      run: |
+        make -C thesis
+
+    - name: Build Proposal
+      working-directory: proposal
+      run: |
+        mkdir -p build
+        mkdir -p output
+        pdflatex -output-directory=build -interaction=nonstopmode proposal.tex
+        # Run bibtex if aux file exists
+        if [ -f build/proposal.aux ]; then
+            bibtex build/proposal || true
+        fi
+        pdflatex -output-directory=build -interaction=nonstopmode proposal.tex
+        pdflatex -output-directory=build -interaction=nonstopmode proposal.tex
+        cp build/proposal.pdf output/proposal.pdf
+
+    - name: Upload Thesis PDF
+      uses: actions/upload-artifact@v3
+      with:
+        name: thesis-pdf
+        path: thesis/out/thesis.pdf
+
+    - name: Upload Proposal PDF
+      uses: actions/upload-artifact@v3
+      with:
+        name: proposal-pdf
+        path: proposal/output/proposal.pdf