Rewrite phase 1.

Started improved client code structure.

Implemented session based authentication serverside.

Implemented user, match, and sport database models serverside.

Implemented Controllers for variety of C and R operations of CRUD.

sports-matcher/client/src/styles/Layout.css

@@ -0,0 +1,16 @@
+.page-root,
+main,
+#app,
+#root {
+  display: flex;
+  flex-direction: column;
+  flex-grow: 1;
+}
+
+html,
+body {
+  min-height: 100%;
+  display: flex;
+  flex-direction: column;
+  flex-grow: 1;
+}