Add keybase proof

_source/keybase.txt

@@ -0,0 +1,56 @@
+==================================================================
+https://keybase.io/jan_j
+--------------------------------------------------------------------
+
+I hereby claim:
+
+  * I am an admin of https://jan.su
+  * I am jan_j (https://keybase.io/jan_j) on keybase.
+  * I have a public key ASA3eHxAfq8aPJL4wbvI13gKeCLEmDoezm_OwCHLniQc4Ao
+
+To do so, I am signing this object:
+
+{
+  "body": {
+    "key": {
+      "eldest_kid": "012037787c407eaf1a3c92f8c1bbc8d7780a7822c4983a1ece6fcec021cb9e241ce00a",
+      "host": "keybase.io",
+      "kid": "012037787c407eaf1a3c92f8c1bbc8d7780a7822c4983a1ece6fcec021cb9e241ce00a",
+      "uid": "988ca849ce917d7009082d4da8e3a219",
+      "username": "jan_j"
+    },
+    "merkle_root": {
+      "ctime": 1555413331,
+      "hash": "b962c3504204024cad003ff9cb35d5872dc5219fed380e4c0d2fc6ae7da3d214282fb2040171079452d045ca7e1a34c5999afd92b3a6b990ef60ffa281b894cb",
+      "hash_meta": "f257a75defaeb32d38bce618b2b167d4dc6bb261a530a92d3b420d43c195111e",
+      "seqno": 5180998
+    },
+    "service": {
+      "entropy": "ediG0JrAZWUQcisJaSKJYNg1",
+      "hostname": "jan.su",
+      "protocol": "https:"
+    },
+    "type": "web_service_binding",
+    "version": 2
+  },
+  "client": {
+    "name": "keybase.io go client",
+    "version": "3.2.2"
+  },
+  "ctime": 1555413343,
+  "expire_in": 504576000,
+  "prev": "5c48bd47bcf13bfee28ae9e940bb3b5d808854662bafd0833865c8a152edf273",
+  "seqno": 25,
+  "tag": "signature"
+}
+
+which yields the signature:
+
+hKRib2R5hqhkZXRhY2hlZMOpaGFzaF90eXBlCqNrZXnEIwEgN3h8QH6vGjyS+MG7yNd4CngixJg6Hs5vzsAhy54kHOAKp3BheWxvYWTESpcCGcQgXEi9R7zxO/7iiunpQLs7XYCIVGYrr9CDOGXIoVLt8nPEINmS5dEA4DxthwHMtvX69uWV624LyscxH7bHAi1lhk6HAgHCo3NpZ8RAiJZa5M2MtUMNjFaWOI9j3iVbTaHWa0Fc3CCSxk/c1i+VW6zTUvRUD1HKSZg9mzMdFDdWaVDVoHQOfFvyvZI7DqhzaWdfdHlwZSCkaGFzaIKkdHlwZQildmFsdWXEIPcgXSGfDAEB25kJS6AGNBDsW1vkboBjOEh48P1zQWrmo3RhZ80CAqd2ZXJzaW9uAQ==
+
+And finally, I am proving ownership of this host by posting or
+appending to this document.
+
+View my publicly-auditable identity here: https://keybase.io/jan_j
+
+==================================================================