adding authors file and licence creation

AUTHORS

@@ -0,0 +1 @@
+Lucas Frérot <lucas.frerot@sorbonne-universite.fr> Sorbonne Université, CNRS, Institut Jean Le Rond d’Alembert, F-75005 Paris, France

rtenets

@@ -157,14 +157,43 @@ create_tenet_file_tree() {
 # ${project_name}
 
 ${project_desc}
+
+## Dependencies
+
+Here are the dependencies to build and run the code:
+
+- <dependencies_list>
+
+## Running the code
+
+Here is how to run the code:
+
+\`\`\`
+<make_all_figures>
+\`\`\`
+
+## Tests
+
+Here is how to run the tests:
+
+\`\`\`
+<run_all_tests>
+\`\`\`
 READMEMSG
 
         info "wrote '${readme}'"
-    else
+    fi
-        warning "found '${readme}', not touching"
+
+    if ! [ -f AUTHORS ]; then
+        printf "%s\\n" "${USER} <${EMAIL}> ${AFFILIATION}" > AUTHORS
     fi
 
     local licence="COPYING"
+
+    if ! [ -f "${licence}" ]; then
+        info "setting licence to GPL by default, see https://www.gnu.org/licenses for more options"
+        curl "https://www.gnu.org/licenses/gpl-3.0.txt" > "${licence}"
+    fi
 }
 
 # Create git repository