Remove old README and ready to write a new one. Added build status ba…

…dge to the README.

README.md

@@ -1,55 +1,7 @@
+[![Build and Test](https://github.com/bxkftechteam/geomesa-sql/actions/workflows/build.yml/badge.svg?branch=main)](https://github.com/bxkftechteam/geomesa-sql/actions/workflows/build.yml)
+
 # GeoMesa SQL
 
-A SQL layer built upon GeoMesa DataStore.
+Run SQL queries on GeoMesa DataStores.
 
 > This project is still under construction.
-
-## Try it out
-
-### Build
-
-```
-mvn clean package
-```
-
-### Run
-
-```
-./sqlline.sh
-```
-
-Then you are free to query GeoMesa schemas using SQL.
-
-#### Listing tables
-
-```
-0: jdbc:calcite:model=src/test/resources/mode> !table
-!table
-+-----------+-------------+--------------+--------------+---------+----------+------------+-----------+---------------------------+----------------+
-| TABLE_CAT | TABLE_SCHEM |  TABLE_NAME  |  TABLE_TYPE  | REMARKS | TYPE_CAT | TYPE_SCHEM | TYPE_NAME | SELF_REFERENCING_COL_NAME | REF_GENERATION |
-+-----------+-------------+--------------+--------------+---------+----------+------------+-----------+---------------------------+----------------+
-|           | GEOMESA     | BANK         | TABLE        |         |          |            |           |                           |                |
-|           | GEOMESA     | TEST_SCHEMA  | TABLE        |         |          |            |           |                           |                |
-|           | GEOMESA     | TEST_SCHEMA2 | TABLE        |         |          |            |           |                           |                |
-|           | GEOMESA     | TEST_TRAJ    | TABLE        |         |          |            |           |                           |                |
-|           | metadata    | COLUMNS      | SYSTEM TABLE |         |          |            |           |                           |                |
-|           | metadata    | TABLES       | SYSTEM TABLE |         |          |            |           |                           |                |
-+-----------+-------------+--------------+--------------+---------+----------+------------+-----------+---------------------------+----------------+
-```
-
-#### Querying data
-
-```
-0: jdbc:calcite:model=src/test/resources/mode> SELECT * FROM TEST_SCHEMA;
-SELECT * FROM TEST_SCHEMA;
-+--------------------------------------+-------------------+
-|               __FID__                |        PT         |
-+--------------------------------------+-------------------+
-| d0aa047c-98b7-4b42-8582-4c8590348ce3 | {"x":-10,"y":-20} |
-| 00aa047c-98b7-4b42-8221-e3239b3c5b0d | {"x":-10,"y":-20} |
-| 60aa047c-98b7-4b42-98a9-c00cc799fa4c | {"x":-10,"y":-20} |
-| 70aa0711-2e6c-449d-9994-57184c358af8 | {"x":10,"y":20}   |
-| f0aa0719-aa2e-468c-b38d-c14364081f17 | {"x":30,"y":40}   |
-+--------------------------------------+-------------------+
-5 rows selected (0.131 seconds)
-```