Resolve "Add CheatSheet form on internal page"

Closes #63 (closed)

src/components/Communaute.module.css

+.button {
+    margin: 10px;
+}
+  
+.button--beta {
+    background-color: var(--ifm-color-tonic-three);
+    border-color: var(--ifm-color-dark-green);
+}
+
+form > p {
+    color: aquamarine !important;
+}