Add .gitattributes to ensure project consistent line endings (#4037)

- Renormalized as well

.gitattributes

@@ -0,0 +1,4 @@
+* text eol=lf
+
+# binary file excludsions
+*.png binary

redbot/cogs/mod/slowmode.py

@@ -1,41 +1,41 @@
-import re
-from .abc import MixinMeta
-from datetime import timedelta
-from redbot.core import commands, i18n, checks
-from redbot.core.utils.chat_formatting import humanize_timedelta
-
-_ = i18n.Translator("Mod", __file__)
-
-
-class Slowmode(MixinMeta):
-    """
-    Commands regarding channel slowmode management.
-    """
-
-    @commands.command()
-    @commands.guild_only()
-    @commands.bot_has_permissions(manage_channels=True)
-    @checks.admin_or_permissions(manage_channels=True)
-    async def slowmode(
-        self,
-        ctx,
-        *,
-        interval: commands.TimedeltaConverter(
-            minimum=timedelta(seconds=0), maximum=timedelta(hours=6), default_unit="seconds"
-        ) = timedelta(seconds=0),
-    ):
-        """Changes channel's slowmode setting.
-
-        Interval can be anything from 0 seconds to 6 hours.
-        Use without parameters to disable.
-        """
-        seconds = interval.total_seconds()
-        await ctx.channel.edit(slowmode_delay=seconds)
-        if seconds > 0:
-            await ctx.send(
-                _("Slowmode interval is now {interval}.").format(
-                    interval=humanize_timedelta(timedelta=interval)
-                )
-            )
-        else:
-            await ctx.send(_("Slowmode has been disabled."))
+import re
+from .abc import MixinMeta
+from datetime import timedelta
+from redbot.core import commands, i18n, checks
+from redbot.core.utils.chat_formatting import humanize_timedelta
+
+_ = i18n.Translator("Mod", __file__)
+
+
+class Slowmode(MixinMeta):
+    """
+    Commands regarding channel slowmode management.
+    """
+
+    @commands.command()
+    @commands.guild_only()
+    @commands.bot_has_permissions(manage_channels=True)
+    @checks.admin_or_permissions(manage_channels=True)
+    async def slowmode(
+        self,
+        ctx,
+        *,
+        interval: commands.TimedeltaConverter(
+            minimum=timedelta(seconds=0), maximum=timedelta(hours=6), default_unit="seconds"
+        ) = timedelta(seconds=0),
+    ):
+        """Changes channel's slowmode setting.
+
+        Interval can be anything from 0 seconds to 6 hours.
+        Use without parameters to disable.
+        """
+        seconds = interval.total_seconds()
+        await ctx.channel.edit(slowmode_delay=seconds)
+        if seconds > 0:
+            await ctx.send(
+                _("Slowmode interval is now {interval}.").format(
+                    interval=humanize_timedelta(timedelta=interval)
+                )
+            )
+        else:
+            await ctx.send(_("Slowmode has been disabled."))