feat(db): Set up database via alembic migration, add docs

db/versions/68d8f4d96043_add_kodi_instances_table.py

@@ -0,0 +1,33 @@
+"""Add Kodi instances table
+
+Revision ID: 68d8f4d96043
+Revises: 
+Create Date: 2022-05-04 01:35:12.791868
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '68d8f4d96043'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table(
+        'kodi-instances',
+        sa.Column('id', sa.Integer, primary_key=True),
+        sa.Column('webserver-proto', sa.String(10), nullable=False, server_default="ws"),
+        sa.Column('webserver-addr', sa.String(40), nullable=False, server_default="localhost"),
+        sa.Column('webserver-port', sa.Integer, nullable=False, server_default="8080"),
+        sa.Column('webserver-jsonrpcpath', sa.String(10), nullable=False, server_default="/jsonrpc"),
+        sa.Column('webserver-username', sa.String(48)),
+        sa.Column('webserver-password', sa.String(48))
+    )
+
+
+def downgrade():
+    op.drop_table('kodi-instances')