feat(string):

Added method to push vector and 1 el to my string

src/string/my_str_strict.rs

@@ -45,4 +45,18 @@ impl Str {
         self._data = data.to_vec();
         self._size = data.len();
     }
+
+    pub fn push(&mut self, el: char) {
+        self._data.push(el);
+        self._size += 1;
+        self._stats[self._size - 1] = Status::BUISY;
+    }
+
+    pub fn push_vec(&mut self, el: &Vec<char>) {
+        for i in el {
+            self._data.push(*i);
+            self._size += 1;
+            self._stats[self._size - 1] = Status::BUISY;
+        }
+    }
 }