Add newline after and before heading in readme.

README.md

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 #### Fluent Bit Input
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 Fluent Bit can collect application logs from >40 different [sources][2]. Common sources include
 tailing log files and other Fluent Bit instances.
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 #### CLP Output Plugin
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 Output plugin recieves logs from Fluent Bit and parses them into [CLP IR][1]. CLP IR consists of a
 timestamp, a list of variable values, and the log type. IR is then compressed with [Zstd][3] in
 default mode without dictionaries.
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 #### Output
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 Compressed IR output is sent to plugin output (currently only AWS S3 is supported). CLP can directly
 ingest compressed IR output and convert into archives for efficient storage and search.
 
 ### Usage
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 Each plugin has its own README to help get started. Currently, we only have a
 [AWS S3 plugin](plugins/out_clp_s3/README.md), but please submit an issue if you need to send IR to
 another output.