Add nla survey (#38)

* feat: Add NLA Survey Application

Added comprehensive NLA (Numerical Linear Algebra) survey functionality:

- Created survey infrastructure with TypeScript types and data structures
- Implemented main survey sections:
  * NLA Operations with detailed subsections
  * Benchmarking Requirements with operation-specific details
- Added interactive features:
  * Collapsible sections
  * Conditional rendering based on selections
  * Hierarchical question structure
- Included data files for all NLA operations:
  * Matrix operations (GEMM, inversion)
  * Eigenvalue problems (standard, generalized)
  * Factorizations (Cholesky, QR)
  * Linear solvers and polynomial filtering
- Enhanced UI/UX:
  * Proper bullet point hierarchy
  * Clear section descriptions
  * Responsive design
  * Modern styling with Tailwind CSS

* fix: Add checkbox for Symmetric/Hermitian A, SPD B section

Added isSelectable property to enable left checkbox for the Symmetric/Hermitian A, SPD B section under Generalized Eigenvalue Problems.

Author: brunowu

app/survey/index.ts

@@ -65,6 +65,7 @@ export const surveyData: SurveySection[] = [
             id: 'gen-symmetric-hermitian',
             title: 'Symmetric/Hermitian A, SPD B',
             type: 'section',
+            isSelectable: true,
             children: generalizedSymmetricData[0].questions
           }
         ]