Improve markdown of Installation section

Due to indentation issues (code within numbered list needs at least 8
spaces instead of 4) the code would not appear as code but as plain text
without a fixed size font and also without newlines appearing in the
HTML.

diff --git a/README.md b/README.md
index c3f4a3d5263d17e9f1d6bb08b7ebe8f4766f87b7..73c62a20a384a1be5307fe4d4b760d91f9483bc0 100644 (file)
--- a/README.md
+++ b/README.md
@@ -24,10 +24,10 @@ Here is a quick summary of the necessary steps.
 
 1. Compile Nominatim:
 
-     mkdir build
-     cd build
-     cmake ..
-     make
+        mkdir build
+        cd build
+        cmake ..
+        make
 
    For more detailed installation instructions see [docs/Installation.md](docs/Installation.md).
    There are also step-by-step instructions for
@@ -36,7 +36,7 @@ Here is a quick summary of the necessary steps.
 
 2. Get OSM data and import:
 
-     ./build/utils/setup.php --osm-file <your planet file> --all
+        ./build/utils/setup.php --osm-file <your planet file> --all
 
    Details can be found in [docs/Import_and_update.md](docs/Import_and_update.md)