document pprinting mysql cmd line output

[borkdude]

(def table-as-str (:out (shell/sh "mysql" "-udba" "-pdba" "corp" "--column-names" "-e" "select * from company_settings_nodes limit 2")))
(def table-as-lines (str/split-lines table-as-str))
(def table-headers (str/split (first table-as-lines) #"\t"))
(def table-as-maps (map #(zipmap table-headers (str/split %1 #"\t")) (rest table-as-lines)))
(clojure.pprint/print-table table-headers table-as-maps)
| id | parent_node_id |     short_name | value_data_type | is_value_optional |            title | description | node_type |
|----+----------------+----------------+-----------------+-------------------+------------------+-------------+-----------|
|  1 |           NULL |         orders |            NULL |                 0 |           Orders |        NULL |  CATEGORY |
|  2 |              1 | orders.packing |            NULL |                 0 | Packing Services |        NULL |  CATEGORY |

cc @bherrmann7