ENH: add separate titles + all slides on horizontal

slides/index.html

@@ -45,8 +45,12 @@
 		</figure>
 	</section>
 
-	<!-- II/ PANSHARPENING WITH PYOTB -->
-	<section>
+	<!-- II/ PANSHARPENING WITH PYTHON rasterio -->
+	<section data-background-image='illustrations/background.png'> 
+			<h1>Challenges of remote sensing </h1></br><h1>in Python</h1>
+	</section>
+	
+	
 
 		<section data-background-image='illustrations/background.png'> 
 			<h3>What a Python developer goes trough</h3>
@@ -82,12 +86,15 @@
 			
 			
 		</section>
-	</section>
+	
 	
 	
 	
 	<!-- III/ PANSHARPENING WITH PYOTB -->
 	<section>
+		<h1>Pansharpening using pyotb </h1>
+	
+	</section>
 
 	<section data-background-image='illustrations/background.png'> 
 		<h3>pyotb: remote sensing made easy</h3>
@@ -114,6 +121,9 @@
 	
 	<!-- IV/ USECASE: EXAMPLE FROM THE DOC AVEC EXPORT RASTERIO -->
 	<section>
+		<h1>pyotb usecase </h1>
+	
+	</section>
 	<section data-background-image='illustrations/background.png'> 
 		<h3>An usecase of pyotb</h3>
 		<p>Goal: labeling the bare soils<p>
@@ -128,7 +138,7 @@
 		<video data-autoplay width=70% data-src="illustrations/pyotb_usecase_speedup.mp4"></video>
 	</section>
 		
-	</section>
+