add proc_net_arp parser and tests

docs/parsers/proc_net_arp.md

@@ -0,0 +1,81 @@
+[Home](https://kellyjonbrazil.github.io/jc/)
+<a id="jc.parsers.proc_net_arp"></a>
+
+# jc.parsers.proc\_net\_arp
+
+jc - JSON Convert `/proc/net/arp` file parser
+
+Usage (cli):
+
+    $ cat /proc/net/arp | jc --proc
+
+or
+
+    $ jc /proc/net/arp
+
+or
+
+    $ cat /proc/net/arp | jc --proc-net-arp
+
+Usage (module):
+
+    import jc
+    result = jc.parse('proc', proc_net_arp_file)
+
+or
+
+    import jc
+    result = jc.parse('proc_net_arp', proc_net_arp_file)
+
+Schema:
+
+    [
+      {
+        "IP_address":           string,
+        "HW_type":              string,
+        "Flags":                string,
+        "HW_address":           string,
+        "Mask":                 string,
+        "Device":               string
+      }
+    ]
+
+Examples:
+
+    $ cat /proc/net/arp | jc --proc -p
+    [
+      {
+        "IP_address": "192.168.71.254",
+        "HW_type": "0x1",
+        "Flags": "0x2",
+        "HW_address": "00:50:56:f3:2f:ae",
+        "Mask": "*",
+        "Device": "ens33"
+      },
+      ...
+    ]
+
+<a id="jc.parsers.proc_net_arp.parse"></a>
+
+### parse
+
+```python
+def parse(data: str, raw: bool = False, quiet: bool = False) -> List[Dict]
+```
+
+Main text parsing function
+
+Parameters:
+
+    data:        (string)  text data to parse
+    raw:         (boolean) unprocessed output if True
+    quiet:       (boolean) suppress warning messages if True
+
+Returns:
+
+    List of Dictionaries. Raw or processed structured data.
+
+### Parser Information
+Compatibility:  linux
+
+Version 1.0 by Kelly Brazil (kellyjonbrazil@gmail.com)