move linter & isort configs to separate files

.flake8

@@ -6,6 +6,8 @@ statistics=True
 exclude=.git, __pycache__,
 filename=*.py
 per-file-ignores=
+    # Disable redefinition warning for exception handlers
+    hyperglass/hyperglass.py:F811
     # Disable string length warnings so I can actually read the commands
     hyperglass/configuration/models/commands.py:E501,C0301
     # Disable string length warnings so I can actually read the messages
@@ -19,11 +21,3 @@ disable-noqa=False
 hang-closing=False
 max-complexity=10
 # format=${cyan}%(path)s${reset}:${yellow_bold}%(row)d${reset}:${green_bold}%(col)d${reset}: ${red_bold}%(code)s${reset} %(text)s
-
-[isort]
-line_length = 88
-indent = '    '
-force_single_line = true
-import_heading_stdlib = Standard Library Imports
-import_heading_thirdparty = Third Party Imports
-import_heading_firstparty = Project Imports

.isort.cfg

@@ -0,0 +1,7 @@
+[settings]
+line_length = 88
+indent = '    '
+force_single_line = true
+import_heading_stdlib = Standard Library Imports
+import_heading_thirdparty = Third Party Imports
+import_heading_firstparty = Project Imports