cleanup and minimize graphics to speed up page loading
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ef94f68
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+**/Thumbs.db
+sav-18-05-02/
\ No newline at end of file
diff --git a/images/OS-logo.psd b/images/OS-logo.psd
deleted file mode 100644
index 7dd3d6b..0000000
--- a/images/OS-logo.psd
+++ /dev/null
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diff --git a/images/OSbee-UX-mockup-dunkel-600_06.jpg b/images/OSbee-UX-mockup-dunkel-600_06.jpg
index 418aaa3..9a234f3 100644
--- a/images/OSbee-UX-mockup-dunkel-600_06.jpg
+++ b/images/OSbee-UX-mockup-dunkel-600_06.jpg
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diff --git a/images/idea_screenshot.png b/images/idea_screenshot.png
deleted file mode 100644
index 71cb59a..0000000
--- a/images/idea_screenshot.png
+++ /dev/null
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diff --git a/images/logo-google.png b/images/logo-google.png
deleted file mode 100644
index d2f2aff..0000000
--- a/images/logo-google.png
+++ /dev/null
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diff --git a/images/logo_browsers.png b/images/logo_browsers.png
deleted file mode 100644
index 19344f5..0000000
--- a/images/logo_browsers.png
+++ /dev/null
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diff --git a/images/red-bullet.psd b/images/red-bullet.psd
deleted file mode 100644
index 26f6fa7..0000000
--- a/images/red-bullet.psd
+++ /dev/null
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diff --git a/images/slide2_09.jpg b/images/slide2_09.jpg
index 577fe70..4b5433e 100644
--- a/images/slide2_09.jpg
+++ b/images/slide2_09.jpg
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diff --git a/images/slide4_05.jpg b/images/slide4_05.jpg
index ec4265a..b29ca11 100644
--- a/images/slide4_05.jpg
+++ b/images/slide4_05.jpg
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diff --git a/images/slide7_05.jpg b/images/slide7_05.jpg
index ddf0a83..e16092a 100644
--- a/images/slide7_05.jpg
+++ b/images/slide7_05.jpg
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diff --git a/images/vscode_screenshot.png b/images/vscode_screenshot.png
deleted file mode 100644
index 0c298ac..0000000
--- a/images/vscode_screenshot.png
+++ /dev/null
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diff --git a/images/web_screenshot.png b/images/web_screenshot.png
deleted file mode 100644
index 481a615..0000000
--- a/images/web_screenshot.png
+++ /dev/null
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diff --git a/images/working-group-dark-grey.psd b/images/working-group-dark-grey.psd
deleted file mode 100644
index 651af6c..0000000
--- a/images/working-group-dark-grey.psd
+++ /dev/null
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diff --git a/images/working-group-dark-grey_01.psd b/images/working-group-dark-grey_01.psd
deleted file mode 100644
index 30f1da6..0000000
--- a/images/working-group-dark-grey_01.psd
+++ /dev/null
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