Runtime selection of reactor integrators (AMReX-Combustion#194)

Co-authored-by: Jon Rood <jon.rood@nrel.gov>
Co-authored-by: Lucas Esclapez <lucas.esclapez@gmail.com>
Co-authored-by: Lucas Esclapez <lucas.esclapez@nrel.gov>

.github/problem-matchers/gcc.json

@@ -0,0 +1,18 @@
+{
+     "__comment": "Taken from vscode-cpptools's Extension/package.json gcc rule",
+     "problemMatcher": [
+         {
+             "owner": "gcc-problem-matcher",
+             "pattern": [
+                 {
+                     "regexp": "^(.*):(\\d+):(\\d+):\\s+(?:fatal\\s+)?(warning|error):\\s+(.*)$",
+                     "file": 1,
+                     "line": 2,
+                     "column": 3,
+                     "severity": 4,
+                     "message": 5
+                 }
+             ]
+         }
+     ]
+}