added gdbinit file that does pretty-print of bounded_vector

.gdbinit

@@ -0,0 +1,34 @@
+
+############################################
+#            Pretty-Printers
+############################################
+
+python
+###### srslte::bounded_vector<T, N> ########
+
+class BoundedVectorPrinter(object):
+    def __init__(self, val):
+        self.val = val
+        self.value_type = self.val.type.template_argument(0)
+
+    def children(self):
+        start = self.val['buffer'].cast(self.value_type.pointer())
+        length = int(self.val['size_'])
+        for idx in range(length):
+            yield f'[{idx}]', start[idx]
+
+    def to_string(self):
+        length = int(self.val['size_'])
+        capacity = int(self.val.type.template_argument(1))
+        return f'bounded_vector of length {length}, capacity {capacity}'
+
+    def display_hint(self):
+        return 'array'
+
+    @staticmethod
+    def make(val):
+        if str(val.type).startswith('srslte::bounded_vector<'):
+            return BoundedVectorPrinter(val)
+
+gdb.pretty_printers.append(BoundedVectorPrinter.make)
+end