Add Uri with support for regexUri and globUri (#3441)

* Add Uri with support for staticUri, regexUri and globUri

* Add newline to end of files

* Update example

* Suppress gcc warnings (unused params)

libraries/WebServer/src/Uri.h

@@ -0,0 +1,28 @@
+#ifndef URI_H
+#define URI_H
+
+#include <Arduino.h>
+#include <vector>
+
+class Uri {
+
+    protected:
+        const String _uri;
+
+    public:
+        Uri(const char *uri) : _uri(uri) {}
+        Uri(const String &uri) : _uri(uri) {}
+        virtual ~Uri() {}
+
+        virtual Uri* clone() const {
+            return new Uri(_uri);
+        };
+
+        virtual void initPathArgs(__attribute__((unused)) std::vector<String> &pathArgs) {}
+
+        virtual bool canHandle(const String &requestUri, __attribute__((unused)) std::vector<String> &pathArgs) {
+            return _uri == requestUri;
+        }
+};
+
+#endif